Analysis of the bending radius of the cylindrical waveguide of polydimethylsiloxane for the purpose of lighting

M. Novak; J. Jargus; M. Fajkus; L. Bednarek; V. Vasinek

doi:10.1117/12.2277528

26 October 2017 Analysis of the bending radius of the cylindrical waveguide of polydimethylsiloxane for the purpose of lighting

M. Novak, J. Jargus, M. Fajkus, L. Bednarek, V. Vasinek

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Proceedings Volume 10440, Optical Materials and Biomaterials in Security and Defence Systems Technology XIV; 104400U (2017) https://doi.org/10.1117/12.2277528
Event: SPIE Security + Defence, 2017, Warsaw, Poland

Abstract

Polydimethylsiloxane (PDMS) can be used for its optical properties and its composition offers the possibility of use in the dangerous environments. Therefore authors of this article focused on more detailed working with this material. The authors describe the use of PDMS polymer for the light transmission over short distances (up to tens of centimeters). PDMS offers good prerequisites (mechanical properties) for the creating cylindrical lighting waveguide e.g. for the purpose of the automotive industry. The objective is to determine the maximum bending radius of the cylindrical waveguide of polydimethylsiloxane for different wavelengths of the visible spectrum and thus extend the knowledge for subsequent use in lighting. The created cylindrical waveguide consist of a core and a cladding. Cladding was formed by a PDMS having a lower refractive index in order to respect the condition of total reflection.

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M. Novak, J. Jargus, M. Fajkus, L. Bednarek, and V. Vasinek "Analysis of the bending radius of the cylindrical waveguide of polydimethylsiloxane for the purpose of lighting", Proc. SPIE 10440, Optical Materials and Biomaterials in Security and Defence Systems Technology XIV, 104400U (26 October 2017); https://doi.org/10.1117/12.2277528

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KEYWORDS

Signal attenuation

Waveguides

Optical fibers

Light sources and illumination

Chemical species

Refractive index

Silicon

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